Proto-IE: *ow-
Meaning: cold, cool
Old Indian: {ūdhar n. `Kälte', oman- `id.'}
Avestan: aota- `kalt (vom Winde)', n. `Kälte, Frost', aoδarǝ `Kälte'
Armenian: hov `kalt'; oic `kalt, ucanam `werde kalt'
Celtic: Ir ōcht, ūacht `Kälte', *ougro-: ūar `kalt', Cymr oer, OCorn oir `id.', Gaul Ogron (verkürtzter Monatsname)
Russ. meaning: холодный, прохладный
References: WP I 221 f
piet-prnum,piet-meaning,piet-ind,piet-avest,piet-arm,piet-balt,piet-celt,piet-rusmean,piet-refer,